As any EE will tell you, there's more to applied math than mere calculations.
You obviously don't understand the basics of engineering if you don't think assumptions are all important.
The assumtion that Bernanke can allow unemployment to float with all the cheap communications technology out there just isn't credible.
Buffet came to the same conclusion using an apparently different analysis: The way countries get out of debt is to inflate their currencies.
So once again, what are the Fed's options?